Vega VEGABAR 66 Foundation Fieldbus Bedienungsanleitung PDF herunterladen (Seite 45)

8Maintenanceandfaultrectication

VEGABAR 66 • Foundation Fieldbus

36740-EN-130321

8 Maintenanceandfaultrectication

8.1 Maintain

If the instrument is used properly, no special maintenance is required

in normal operation.

Insomeapplications,productbuilduponthediaphragmcaninuence

the measuring result. Depending on the sensor and application, take

precautions to ensure that heavy buildup, and especially a hardening

thereof, is avoided.

If necessary, clean the diaphragm. Make sure that the materials are

resistanttothecleaningprocess,seeresistancelistunder"Services"

on"www.vega.com".Thewidevarietyofapplicationsofisolating

diaphragms makes special cleaning instructions necessary for each

application. Please ask the VEGA agency serving you.

8.2 Rectifyfaults

VEGABAR66oersmaximumreliability.Nevertheless,faultscanoc-

cur during operation. These may be caused by the following, e.g.:

•

Sensor

•

Process

•

Voltage supply

•

Signal processing

Therstmeasurestobetakenaretochecktheoutputsignalsaswell

as to evaluate the error messages via the display and adjustment

module. The procedure is described below. Further comprehensive

diagnostics can be carried out on a PC with the software PACTware

and the suitable DTM. In many cases, the causes can be determined

andthefaultsrectiedthisway.

Should these measures not be successful, please call in urgent cases

the VEGA service hotline under the phone no. +49 1805 858550.

The hotline is available to you 7 days a week round-the-clock. Since

weoerthisserviceworld-wide,thesupportisonlyavailableinthe

English language. The service is free of charge, only the standard

telephone costs will be charged.

The following table describes possible errors and helps to remove

them:

Error Cause Rectication

When an addition-

al instrument is

connected, the H1

segment fails.

Max. supply

current of the seg-

ment coupler

exceeded

Measure the current consumption, re-

ducesizeofsegment

Maintenance

Cleaning

Failure reasons

Faultrectication

24 hour service hotline

Checking Foundation

Fieldbus

1 2 ... 40 41 42 43 44 45 46 47 48 49 50 ... 71 72

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